network: add support to create SR-IOV VF pool

Create a network with a device pool containing all the VFs of an SR-IOV device.

Signed-off-by: Lin Ma <lma@suse.com>

1 files changed, 65 insertions, 3 deletions

diff --git a/virtManager/createnet.py b/virtManager/createnet.py
index 9fdbc45d..b670b09a 100644
--- a/virtManager/createnet.py
+++ b/virtManager/createnet.py
@@ -120,6 +120,12 @@ class vmmCreateNetwork(vmmGObjectUI):
         self.widget("header").modify_bg(Gtk.StateType.NORMAL, blue)
 
         # [ label, dev name ]
+        pf_list = self.widget("pf-list")
+        pf_model = Gtk.ListStore(str, str)
+        pf_list.set_model(pf_model)
+        uiutil.init_combo_text_column(pf_list, 0)
+
+        # [ label, dev name ]
         fw_list = self.widget("net-forward")
         fw_model = Gtk.ListStore(str, str)
         fw_list.set_model(fw_model)
@@ -167,6 +173,9 @@ class vmmCreateNetwork(vmmGObjectUI):
 
         self.widget("net-enable-ipv6-networking").set_active(False)
 
+        pf_model = self.widget("pf-list").get_model()
+        pf_model.clear()
+
         fw_model = self.widget("net-forward").get_model()
         fw_model.clear()
         fw_model.append([_("Any physical device"), None])
@@ -181,6 +190,28 @@ class vmmCreateNetwork(vmmGObjectUI):
         for name in devnames:
             fw_model.append([_("Physical device %s") % name, name])
 
+        devprettynames = []
+        ifnames = []
+        for pcidev in self.conn.filter_nodedevs("pci"):
+            if pcidev.xmlobj.capability_type != "virt_functions":
+                continue
+            devdesc = pcidev.xmlobj.pretty_name()
+            for netdev in self.conn.filter_nodedevs("net"):
+                if pcidev.xmlobj.name != netdev.xmlobj.parent:
+                    continue
+                ifname = netdev.xmlobj.interface
+                devprettyname = "%s (%s)" % (ifname, devdesc)
+                devprettynames.append(devprettyname)
+                ifnames.append(ifname)
+                break
+        if not devprettynames:
+            pf_model.append([_("No available device"), None])
+        else:
+            for devprettyname, ifname in zip(devprettynames, ifnames):
+                pf_model.append([_("%s") % devprettyname, ifname])
+
+        self.widget("pf-list").set_active(0)
+
         self.widget("net-forward").set_active(0)
         self.widget("net-forward-mode").set_active(0)
         self.widget("net-forward-none").set_active(True)
@@ -223,6 +254,11 @@ class vmmCreateNetwork(vmmGObjectUI):
         return self._get_network_helper("net-dhcpv6-end")
 
     def get_config_forwarding(self):
+        if self.widget("net-forward-mode-hostdev").get_active():
+            name = uiutil.get_list_selection(self.widget("pf-list"), column=1)
+            mode = "hostdev"
+            return [name, mode]
+
         if self.widget("net-forward-none").get_active():
             return [None, None]
 
@@ -481,10 +517,27 @@ class vmmCreateNetwork(vmmGObjectUI):
             self.widget("create-finish").grab_focus()
 
     def change_forward_type(self, ignore):
-        skip_fwd = self.widget("net-forward-none").get_active()
+        index = self.widget("pf-list").get_active()
+        model = self.widget("pf-list").get_model()
+        item = model[index]
+        if item[1] is None:
+            sriov_capable = False
+        else:
+            sriov_capable = True
+        self.widget("net-forward-mode-hostdev").set_sensitive(sriov_capable)
+        vf_pool = self.widget("net-forward-mode-hostdev").get_active()
+        if not vf_pool:
+            skip_fwd = self.widget("net-forward-none").get_active()
+
+            self.widget("net-forward-mode").set_sensitive(not skip_fwd)
+            self.widget("net-forward").set_sensitive(not skip_fwd)
+        else:
+            self.widget("net-forward-mode").set_sensitive(False)
+            self.widget("net-forward").set_sensitive(False)
 
-        self.widget("net-forward-mode").set_sensitive(not skip_fwd)
-        self.widget("net-forward").set_sensitive(not skip_fwd)
+        self.widget("net-forward-hostdev-table").set_sensitive(vf_pool)
+        self.widget("net-enable-ipv6-networking-box").set_sensitive(not vf_pool)
+        self.widget("dns-domain-name-box").set_sensitive(not vf_pool)
 
     def change_ipv4_enable(self, ignore):
         enabled = self.get_config_ipv4_enable()
@@ -686,6 +739,15 @@ class vmmCreateNetwork(vmmGObjectUI):
             net.forward.mode = mode
             net.forward.dev = dev or None
 
+        if net.forward.mode == "hostdev":
+            net.forward.managed = "yes"
+            pfobj = net.forward.add_pf()
+            pfobj.dev = net.forward.dev
+            net.forward.dev = None
+            net.domain_name = None
+            net.ipv6 = None
+            return net
+
         if self.get_config_ipv4_enable():
             ip = self.get_config_ip4()
             ipobj = net.add_ip()